The board decided to place a 180-day (six-month) moratorium on the policy -- which will, at the very least, allow affected tenants to get through the winter. Here's this, from the Portland Press Herald report:

[Agency spokeswoman Deborah] Turcotte said MaineHousing wants a document from the federal
government that says it can have a policy for medical marijuana that
applies to all current Section 8 voucher recipients and makes clear that
the agency doesn't have to treat tenants on a case-by-case basis.